diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 7777c0096a38..3fc2fa57424b 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -441,8 +441,7 @@ static int proc_sctp_do_auth(struct ctl_table *ctl, int write,
 			     void __user *buffer, size_t *lenp,
 			     loff_t *ppos)
 {
-	struct net *net = container_of(ctl->data, struct net,
-				       sctp.sctp_hmac_alg);
+	struct net *net = current->nsproxy->net_ns;
 	struct ctl_table tbl;
 	int new_value, ret;